It's not that hard to crack a Master Padlock, so you may want to step up your security if you're looking to lock things down. The Dialspeed Padlock sports a digital interface in lieu of the usual dial so you can program your own, personalized codes for greater security.

Two years ago we highlighted how to crack a Master combination padlock for those of you who may…
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The lock comes with a replaceable battery that lasts for about five years, so you won't need to change it too often. You can also set a primary code for you and up to three guest codes for friends in the event that you don't want to let them know the one you're using. (This is mostly important if you're using the same code on multiple locks and only want to provide access to some.) Whatever you've got to lock up it looks to be a more secure (and cool) way to get the job done.